Feature “She taught me how to play, how to laugh until my face burns, and how to dance in the kitchen to ‘Believe’ by Cher.” Pat Oleszko’s mother, Margaret Dienel Oleszko, told her life would get better after high school. She was right. (photo courtesy the artist) Each year, on Mother’s Day, I reflect on the endless reel of catchy maternal slogans that involuntarily cycles through my mind. A repeat offender in my own playlist of advice is an axiom from my grandmother, Barbara Sapienza, an abstract oil painter , for how to “unfuck” one’s life. (For the first 20 years of your life, you get fucked up by your parents. You spend the following 20 years "un-fucking" yourself. And then, if you’re lucky, you spend the next 20 years really living your life. You can grade your progress according to that curve.) In anticipation of this weekend’s holiday, Hyperallergic asked artists to share the best piece of advice that they ever received from their mother, or a maternal figure in their life.…